CESSNA McCAULEY D-4521 D4521 PROPELLER SPACER EXTENSION C150 C172 Prop Hub Click here to purchase or contact the seller of this item on eBay
Current Price: 233.00 USD

Cessna D-4521 Propeller Spacer Assembly

This is a Cessna D-4521 propeller spacer assembly for aircraft propeller installation applications. The supplied reference sheet identifies the component as a Cessna 172 propeller spacer assembly, while the handwritten inventory note references Cessna 150 / 172.

The spacer has a circular multi-lobed outer profile with a central bore and multiple evenly spaced openings around the circumference. The component is stamped D-4521, matching the reference documentation shown with the item.

Identification Details

• Brand: Cessna
• Part Number: D-4521
• Type: Propeller Spacer Assembly
• Application: Aircraft Propeller System
• Referenced Aircraft: Cessna 150 / 172
• Primary Reference Listing: Cessna 172 Propeller Spacer Assembly
• Component Style: Circular Propeller Hub Spacer
• Center Bore: Yes
• Multiple Outer Openings: Yes
• Material/Finish: Dark metal finish
• Part Marking: D-4521

The unit shows visible cosmetic wear consistent with previous use and storage, including surface wear, finish loss, scratches, oxidation, and age-related marks. Please review all photos carefully for exact condition.

Important: Exact aircraft model, serial-number applicability, propeller compatibility, dimensional requirements, and airworthiness should be confirmed against the applicable Cessna parts documentation before installation.